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Finding the Fourth Proportional to 5,173.51, 7,760.99 and 1,662.34

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Solution

The fourth proportional to 5,173.51, 7,760.99 and 1,662.34 is: 2,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.51 : 7,760.99 = 1,662.34 : x
  2. Step 2: Convert to fraction form
    5,173.51/7,760.99 = 1,662.34/x
  3. Step 3: Cross multiply
    5,173.51x = 7,760.99 × 1,662.34
  4. Step 4: Simplify right side
    5,173.51x = 12,901,357.00
  5. Step 5: Solve for x
    x = 12,901,357.00/5,173.51
  6. Step 6: Final answer
    x = 2,493.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.